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[Balazs Gibizer <2098496@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Reproduce:
* create devstack from recent master with device_spec config enabling multiple VFs per PF
* enable pci in placement feature
* create VM with a flavor requesting a single VF
* observe the the VM got a single hostdev
* delete the VM
* observer that the device the VM was using is freed
* create another VM with the same flavor requesting a single VF

Expected:
The VM gets a single hostdev

Actual:
The VM gets two hostdevs and it has two devices allocated both in the nova DB and in placement

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2098496

Title:
  VM gets more PCI hostdevs than requested when PCI in Placement is
  enabled with VFs

Status in OpenStack Compute (nova):
  New

Bug description:
  Reproduce:
  * create devstack from recent master with device_spec config enabling multiple VFs per PF
  * enable pci in placement feature
  * create VM with a flavor requesting a single VF
  * observe the the VM got a single hostdev
  * delete the VM
  * observer that the device the VM was using is freed
  * create another VM with the same flavor requesting a single VF

  Expected:
  The VM gets a single hostdev

  Actual:
  The VM gets two hostdevs and it has two devices allocated both in the nova DB and in placement

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